package com.xiaoyu.binaryTree;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;

/**
 * @program: DS_and_A
 * @description: TODO
 * @author: YuWenYi
 * @create: 2021-05-14 18:26
 **/
public class TreeNode {
    int val;
    TreeNode left;
    TreeNode right;
    TreeNode() {}
    TreeNode(int val) { this.val = val; }
    TreeNode(int val, TreeNode left, TreeNode right) {
        this.val = val;
        this.left = left;
        this.right = right;
    }
}
